Page 14 - CBN_2018

Specifications of PCBN Grades for Cast Iron Grade Instruction

PCBN INSERTS IB05S Coated content % Used for finishing operations of cast iron at
PCBN
Coated/Not
Grade
Application
high cutting speeds, and also for medium
90%
N
speeds on hardened steels with heavy
IB90
interrupted cutting conditions. Features very
high toughness and impact resistance.
Uncoated grade that contains 95% PCBN
composed of super fine grain size in a special
binder. Used for finishing operations with
N
95%
continuous conditions on sintered metals at
high cutting speeds. Features high hardness
PCBN Grades for Gray Cast Iron IB10S N 65% and ensures very good surface finish.
Uncoated grade that contains 95% PCBN
composed of fine grain size in a special binder.
Used for finishing operations on sintered
metals at high cutting speeds and also for
valve seats and Titanium alloys at continuous
up to light interrupted cutting conditions.
Features high hardness and good wear
resistance.
Solid uncoated grade that contains 90%
PCBN composed of coarse grain size in a
special binder. Used for medium to roughing
operations of cast iron at high speeds.
Excellent for heavy interrupted cutting
IB90A
90%
N
conditions, and also suitable for hardened
steel machining with interrupted conditions.
Features toughness and excellent impact
resistance.
Coated solid grade for high speed continuous
or interrupted machining.
Medium grained PCBN particles are bound
IB25KD Y 90%
with special binder. The surface is coated
with dedicated coating material.

Continuous cut Light interrupted Heavy interrupted

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